I have seen it a few times now "X item has been added to your loot" from what I get from the Alpha, I suppose this means the items are now stocked in dungeon shops. Like with complicated tasks 4 (I think, the rock garden one) you get the Strenght Potion added to your loot, but you are able to upgrade the witch and prepare it before that.

What vague point I may be drifting away from now is: I would like if Bezar's Bizzare Bazar (in the Kingdom Menu) had an openable list where you could see all the items which he/she/it stocks in the shops.

From what I understand certain boss dropped items can't be bought, so it would be great if some clarity were added.

(Also, I'm a huge fan of lists of all sorts!)

"Which farm animal is featured prominently in Desktop Dungeons?" "Snakes"

In that particular instance the item in question is both unlocked like the alpha but you get it also as "loot" that can be stored in the locker - check the Guild, it has a (!) when there are loot items.